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Ok Dieter, that's a start. Where do you think the discussion of "6.8
Avoiding propagation of masked data" should be in the SQL Reference
manual?

Right on the CREATE MASK statement?
https://www.ibm.com/support/knowledgecenter/ssw_ibm_i_73/db2/rbafzcrtmask.htm
That had plenty of notes of concern and perhaps the constraint could be
spelled out more than "If a violation check constraint does not exist for
the column, the masked data will be inserted or updated in the table's
column and no error will be issued." Perhaps adding a link to that
section 6.8 in that PDF with "for more information see..."?

Or perhaps "Best practices when using permissions and masks" at
https://www.ibm.com/support/knowledgecenter/ssw_ibm_i_73/rzahf/rzahfrcacbestp.htm

There are comment sections via DISQUS available at the bottom of those
pages. That is the ONLY reason I joined DISQUS.

Rob Berendt

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